You want to see if it makes a difference which lane to be in when there is traffic. You randomly observe 216 cars as they pass by on the four lane freeway. The results are displayed in the table below.  Use a level of significance of αα = 0.10. Complete the rest of the table by filling in the expected frequencies: Outcome Frequency Expected Frequency Lane 1 70   Lane 2 51   Lane 3 57   Lane 4 38

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 42PFA
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You want to see if it makes a difference which lane to be in when there is traffic. You randomly observe 216 cars as they pass by on the four lane freeway. The results are displayed in the table below.  Use a level of significance of αα = 0.10.

  1. Complete the rest of the table by filling in the expected frequencies:

    Outcome Frequency Expected Frequency
    Lane 1 70

     

    Lane 2 51  
    Lane 3 57  
    Lane 4 38  


  2. The degrees of freedom =  
  3. The test-statistic for this data = (Please show your answer to three decimal places.)


  4. The p-value for this sample = (Please show your answer to four decimal places.) 
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